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Individual Calculations October 2008 |
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| Harris, David Total change: -20.85 | |   |
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| 36th Annual World Open (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 2108 | 3.00 | 9 | -0.73 | 15 | -10.95 | |
|  Parry, Matt J | | | 2265 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Hook, William E | | | 2044 | IVB | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Tuvshintugs, Batchimeg | | wm | 2278 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Savage, Allan G | f | | 2168 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Gogte, Yashodhan S | | | 2203 | IND | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Francisco, Richard | | | 2225 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Markovits, Alex | | | 2184 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Pereira, Silvio C | | | 2291 | BRA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Jayakumar, Adarsh | | | 1885 | IND | 0.50 | 1 | -0.28 | 15 | -4.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Continental Open | Sturbridge, MA | USA | 2008-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2102 | 1.50 | 5 | 0.04 | 15 | 0.60 | |
| | Enkin, Max | | | 2262 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Zhao, Parker Bi Guang | | | 2242 | HKG | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Zlotnikov, Mikhail | m | | 2345 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Tkach, Leonid | | | 2122 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Shmelov, Denys Kostan | | | 2349 | UKR | 0.00 | 1 | -0.19 | 15 | -2.85 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | New England Masters | Pawtucket, Rhode Island | USA | 2008-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2102 | 0.50 | 1 | 0.11 | 15 | 1.65 | |
| | Rosenberg, Evan S | | | 2182 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Blackstone Chess Festival Open | Pawtucket, Rhode Island | USA | 2008-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2375 | 2102 | 0.00 | 2 | -0.36 | 15 | -5.40 | |
| | Gareev, Timur | g | | 2452 | UZB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Puntier, William | f | | 2298 | DOM | 0.00 | 1 | -0.25 | 15 | -3.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 130th Annual New York State Championship | Albany, New York | USA | 2008-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2102 | 0.00 | 1 | -0.45 | 15 | -6.75 | |
| | Jiang, Louie | | | 2135 | CAN | 0.00 | 1 | -0.45 | 15 | -6.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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